26-dars matematika 3-sinf

mavzu: doirani teng bo’laklarga bo’lish bu vitrajning ba'zi gullari simmetrik, ba'zilari simmetrik emas bu vitrajlarda simmetrik naqshlardan foydalanilgan bu doira .chunki uning ichki sohasi bor doira ikki bo'lakka bo'lindi doiraning ikki marta buklasa to'rtta shunday bo'lakka bo'linadi a) gorizontal bo'yicha diametr o'tkazilsa, doira ikki bo'lakka bo'linadi b) vertikal bo'yicha diametr o'tkazilsa, endi doira 4 ta bo'lakka bo'linadi d) har bir sektorning burchagi to'g'ri burchak 8302+2938= 11240 11240--8302= 2938 7305--2879= 4426 4426+2879= 7305 895 * 56 = 22120 22120 : 56= 895 2064 : 8 =258 258 * 8 =2064 jami -- 596 ta shisha shaffof shisha -- ?, 3 marta ko'p rangli shisha -- ? ta yechish : 596 : 2 =298 ta 298 : 2 =149 ta rangli sh …

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